Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure. Geronimo Stiltonoot and his family are off to find a cure for Grandma Ratrock's aches and pains. She's heard that a remedy hides in a legendary valley, and Geronimo isn't even sure it exists. Little does he know that getting there will be an adventure among geysers, volcanoes, and rivers of molten lava.

Oh, no! One of the special miceking helmets in miceking leader Sven the Shouter's private collection has been stolen! Could it have been taken by the vilekings-the rival mouse clan? The micekings journey to the vilekings' village to find out... and while they're there, the dragons attack! Can all the mice work together to save their fur?

When a pirate gets shipwrecked on Mouse Island, Geronimo Stiltonoot and his family offer to help the stranger look for a hidden treasure.

Geronimo Stiltonix encuentra un mapa de tesoro que lo toma a Aquarix, un planeta que es sumergido debajo del agua.. Geronimo Stiltonix finds a treasure map that takes him to Aquarix, a planet that is submerged underwater.

When you're with Geronimo Stilton, it's always a fabumouse adventure! Everymouse on Mouse Island is squeaking about The Super Cup! My two favorite soccer teams, the Squeakers and the Turbo Cheese, had made it to the finals. But something suspicious was happening on the field. The Mighty Mice and the Sewer Rats seemed to be scoring without even trying! Could I get to the bottom of it before my two favorite teams are cheated out of their trophies?

When you're with Geronimo Stilton, it's always a fabumouse adventure! Trap had finally talked me into taking a relaxing vacation. But it turned out it wouldn't just be given to me. We were going to have to win it! I was on my way to Port Stinky to win a race against the wild. Could I stand the smell long enough to win?

¿No los sabíais? Están a punto de comenzar los juegos más famosos de la Prehistoria, ¡las Prehistolimpiadas! Tras las eliminatorias de Cachiporra Aplasta Cachiporra y la final de lanzamento de Gritos, Geronimo y Metomentodo se verán las caras con Tiger Khan y sus esbirros en una aventura... ¡megalítica!